McqMate
| Q. |
12 W/m K Thermal diffusivity = 5.16 * 10 -7 m2/s |
| A. | 43.07 hours |
| B. | 53.07 hours |
| C. | 63.07 hours |
| D. | 73.07 hours |
| Answer» A. 43.07 hours | |
| Explanation: t – t a/t 0 – t a = 0.86. also, α t/l 2 = 0.32. | |
View all MCQs in
Engineering PhysicsNo comments yet